Dual-tube forward synchronous rectifier power supply solution based on EG1166 chip, with an input voltage of 50V - 85V, outputting 13.8V, 15A, with a maximum efficiency of 94.45%, equipped with output short-circuit and over-temperature protection functions, capable of adjusting output voltage and current limit through specific methods, suitable for electric tricycles, quadricycles, isolated DC - DC, industrial power supplies, LED power supplies, and other fields.